Elastic cement.



IT STATES CHARLES C. MAY, or CANON CITY, COLORADO.

PATEN T OFFIC ELASTIC CEMENT..

To all whom/it mag concern:- Be itknown that LCHARLES 0. MAY, a citizen of the United States, residing at Canon City, in the county ofFremont and State of Colorado, haveinvented certain new and useful Improvements in Elastic Cement, of which the following is a specification;

The ob' ect of my invention is improve of an elastic cement for use in repairing roofs or gutters of any character, for the-jolnts or.

to provide an seams of furnaces, boiler-heads, water tanks of anyconstruction,

lproved composition of matter ma and troughs, or skylights, pipes, oritroughs or use generally in repairmgzcast iron or steel articles-of an description, and which will .be durable an well adapted to withstand the action of the ele- 1 ments and all atmospheric conditions.

' My improved composition of matter consists of the following ingredients'namely,

the V8J'1011S e ents above name are as poundjdry lampblack, one-fourth' pound;

The various in dients producing my y Specification of Letters Patent. 7 Applioatlon'filod February 3,1906. semi 110.299.361.-

mospheric exposure. water and-acids and is characterized by a composition of matter consisting the followin Q gallon of pure 1 me as haltum, three pounds of ma nesia asortland,

ortland cement,

emixed' Patented July 17, 1906.

thoroughly to ether by any desired 7 machinery that wi I produce an elastic cement for the purposes above stated; '1

My improved cement will not crack, scale, shrink, or peel under an ordinary heat or att is impermeable to maximum ability to withstand fire.

Having1 thus described the invention, what is claime as new is 1, The herein-described improved elastic cement consisting of coal-tar, as haltum,-' as bestos fiber pulverized, alum an a binder- 2. The herein-described improved composition of matter, consisting of asphaltum, a'sbestos fiber, Portland cement, white lead, lampblack, rosin and alum.

32. The herein-described composition of I matter consisting of the following in edients proportions: onealf of a 'stilled coal-tar, one quart of estos ber, one-half of a ound of cement, one-half of apoundbf dry white lead, one-quarter of apound of. dry lampblaek, one uarter-of a pound of rosin, pulverized, and

t ee ounces of pulverized alum.

'- In testimony whereof I affix my signature in presence of two witnesses.

.Witnesses: v

p T. V. RAGSDAI'JE,"

H. V. WILLIAMSON.

CHARLES MAY. [1 s.] 

